Lamp tube



FIG. 1 is a perspective view for a spliced lamp tube showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view showing a disassembled state thereof.

The drawings contain symbolic break lines in FIGS. 1-3 and 6-8 . The break lines and any portion of the article between the break lines form no part of the claimed design. 

CLAIM The ornamental design for a lamp tube, as shown. 